2024 New Hampshire Power Outage Report
In 2024, the average New Hampshire customer went without power for about 14.2 hours, the 9th worst of 51 states (US average 11.2 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
14.2
vs prior year
▲ 50%
vs 2023
Customer-hours out
10.6M
Peak customers out
182,958
across the state at once
EAGLE-I coverage
n/a
of NH customers
Counties reporting
10
New Hampshire year over year
All 10 New Hampshire counties, 2024
Ranked by average hours without power per customer. Each county links to its annual report.
| # | County | Hrs / customer | Customer-hours | Customers | Peak out | Events |
|---|---|---|---|---|---|---|
| 1 | Carroll County | 63.9 | 1.7M | 26,009 | 26,009 | 677 |
| 2 | Belknap County | 35.0 | 1.1M | 32,434 | 20,092 | 546 |
| 3 | Rockingham County | 15.3 | 2.4M | 154,048 | 64,404 | 1,020 |
| 4 | Sullivan County | 14.2 | 286K | 20,079 | 4,585 | 480 |
| 5 | Strafford County | 13.7 | 1.2M | 89,738 | 24,097 | 750 |
| 6 | Cheshire County | 12.6 | 453K | 36,014 | 11,033 | 578 |
| 7 | Grafton County | 12.0 | 600K | 49,895 | 9,149 | 684 |
| 8 | Merrimack County | 11.8 | 1.4M | 115,899 | 30,245 | 898 |
| 9 | Hillsborough County | 6.9 | 1.4M | 196,402 | 21,826 | 1,051 |
| 10 | Coos County | 5.4 | 129K | 24,038 | 3,991 | 422 |
Biggest New Hampshire outages of 2024
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Rockingham County, NH | April 4, 2024 00:45 | April 9, 2024 21:15 | 5d 20h | 64,404 | 1.8M |
| 2 | Merrimack County, NH | March 23, 2024 22:15 | March 27, 2024 00:45 | 3d 2h | 30,245 | 594K |
| 3 | Carroll County, NH | March 16, 2024 08:00 | April 26, 2024 00:30 | 40d 16h | 26,009 | 1.4M |
| 4 | Strafford County, NH | April 4, 2024 01:30 | April 9, 2024 14:30 | 5d 13h | 24,097 | 781K |
| 5 | Merrimack County, NH | April 4, 2024 01:00 | April 9, 2024 00:00 | 4d 23h | 22,459 | 526K |
| 6 | Hillsborough County, NH | April 4, 2024 02:00 | April 7, 2024 18:15 | 3d 16h | 21,826 | 481K |
| 7 | Belknap County, NH | March 16, 2024 08:00 | April 21, 2024 12:45 | 36d 4h | 20,092 | 926K |
| 8 | Strafford County, NH | March 23, 2024 21:30 | March 26, 2024 19:30 | 2d 22h | 17,394 | 331K |
| 9 | Hillsborough County, NH | July 16, 2024 22:45 | July 18, 2024 09:15 | 1d 10h | 17,370 | 71K |
| 10 | Hillsborough County, NH | March 23, 2024 16:45 | March 27, 2024 02:30 | 3d 9h | 16,635 | 564K |
| 11 | Cheshire County, NH | March 23, 2024 19:15 | March 26, 2024 21:00 | 3d 1h | 11,033 | 239K |
| 12 | Grafton County, NH | January 13, 2024 11:15 | January 17, 2024 01:30 | 3d 14h | 9,149 | 176K |
| 13 | Rockingham County, NH | March 23, 2024 21:45 | March 27, 2024 23:00 | 4d 1h | 8,520 | 162K |
| 14 | Hillsborough County, NH | September 3, 2024 10:15 | September 3, 2024 13:00 | 2h 45m | 7,902 | 2,226 |
| 15 | Rockingham County, NH | June 20, 2024 17:15 | June 21, 2024 09:45 | 16h 30m | 7,849 | 31K |
| 16 | Carroll County, NH | February 23, 2024 02:30 | March 16, 2024 06:45 | 22d 4h | 7,202 | 87K |
| 17 | Strafford County, NH | April 11, 2024 15:45 | April 11, 2024 18:15 | 2h 30m | 7,041 | 1,764 |
| 18 | Rockingham County, NH | August 9, 2024 13:00 | August 10, 2024 09:30 | 20h 30m | 6,933 | 46K |
| 19 | Rockingham County, NH | March 21, 2024 08:45 | March 21, 2024 23:30 | 14h 45m | 6,931 | 4,548 |
| 20 | Rockingham County, NH | February 29, 2024 03:15 | March 1, 2024 09:15 | 1d 6h | 6,928 | 59K |
| 21 | Grafton County, NH | March 10, 2024 04:15 | March 13, 2024 02:15 | 2d 22h | 6,750 | 58K |
| 22 | Belknap County, NH | June 19, 2024 13:45 | June 20, 2024 00:00 | 10h 15m | 6,206 | 14K |
| 23 | Belknap County, NH | August 5, 2024 23:30 | August 6, 2024 05:00 | 5h 30m | 6,033 | 30K |
| 24 | Cheshire County, NH | July 16, 2024 20:15 | July 18, 2024 07:30 | 1d 11h | 5,180 | 31K |
| 25 | Merrimack County, NH | July 9, 2024 20:00 | July 10, 2024 12:15 | 16h 15m | 4,957 | 21K |
EAGLE-I tracked about n/a of New Hampshire's electricity customers in 2024; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2024 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.